function trainLab(h, w) {
    const widthSm = w * 100;
    const heightSm = h * 100;
    const rabotnoMShirinaSm = 70;
    const rabotnoMDyljinaSm = 120;
    const coridor = 100;
    const zagubeniMesta = 3;
    const realWidtSm = widthSm - coridor;

    const masiNaRed = Math.floor(realWidtSm / rabotnoMShirinaSm);
    const redoveSMasi = Math.floor(heightSm / rabotnoMDyljinaSm);
    const ob6toMestaVZalata = masiNaRed * redoveSMasi - zagubeniMesta;
    return ob6toMestaVZalata;
}